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Uber Cadence Java Client

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/*
 *  Copyright 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 *  Modifications copyright (C) 2017 Uber Technologies, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"). You may not
 *  use this file except in compliance with the License. A copy of the License is
 *  located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 *  or in the "license" file accompanying this file. This file is distributed on
 *  an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 *  express or implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 */

package com.uber.cadence.common;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * CronSchedule - Optional cron schedule for workflow. If a cron schedule is specified, the workflow
 * will run as a cron based on the schedule. The scheduling will be based on UTC time. Schedule for
 * next run only happen after the current run is completed/failed/timeout. If a RetryPolicy is also
 * supplied, and the workflow failed or timeout, the workflow will be retried based on the retry
 * policy. While the workflow is retrying, it won't schedule its next run. If next schedule is due
 * while workflow is running (or retrying), then it will skip that schedule. Cron workflow will not
 * stop until it is terminated or cancelled.
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface CronSchedule {
  String value();
}